RFFERENCE

http://www.dailymotion.com/video/x92cl4_yonaguni-mu-pyramide-artificielle-2_news

http://www.youtube.com/watch?v=HGEpg9V41Qg

http://www.dailymotion.com/video/x6928z_yonaguni-pyramide-sous-l-eau-compil_tech